#region Using Directives and Copyright Notice

// Copyright (c) 2007-2010, Computer Consultancy Pty Ltd
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the Computer Consultancy Pty Ltd nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
// ARE DISCLAIMED. IN NO EVENT SHALL COMPUTER CONSULTANCY PTY LTD BE LIABLE 
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.

using System;
using System.Collections.Generic;
using System.Text;

#endregion

namespace Interlace.AdornedText
{
    public class NodeVisitor
    {
        // Block visitors, placed in a partial ordering such that base classes are earlier in the list:
        public virtual void VisitBlock(Block block) { }
        public virtual void VisitBlockSequence(BlockSequence sequence) { }
        public virtual void VisitDefinitionListing(DefinitionListing listing) { }
        public virtual void VisitDefinitionListingItem(DefinitionListItem listingItem) { }
        public virtual void VisitListing(Listing listing) { }
        public virtual void VisitListingItem(Listing listing) { }
        public virtual void VisitParagraph(Paragraph paragraph) { }
        public virtual void VisitSection(Section section) { }
        public virtual void VisitTable(Table table) { }
        public virtual void VisitTableRow(TableRow row) { }
        public virtual void VisitTableCell(TableRow cell) { }
        public virtual void VisitVerbatimBlock(VerbatimBlock verbatimBlock) { }
        public virtual void VisitInlineBlock(InlineBlock inlineBlock) { }

        // Span visitors, also placed in the base class earliest partial ordering:
        public virtual void VisitSpan(Span span) { }
        public virtual void VisitTextSpan(TextSpan textSpan) { }
        public virtual void VisitSequenceSpan(SequenceSpan sequenceSpan) { }
        public virtual void VisitFormattedSpan(FormattedSpan formattedSpan) { }
        public virtual void VisitReferenceSpan(ReferenceSpan referenceSpan) { }
    }
}
